// The MIT License (MIT)
//
// Copyright (c) 2015 FPT Software
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>

@interface MDMathHelper : NSObject

+ (CGFloat)distanceBetweenPoint:(CGPoint)p1 andPoint:(CGPoint)p2;

+ (nonnull NSArray <NSValue*>*)findIntersectionsBetweenCircleCenter:(CGPoint)c1
                                           radius:(CGFloat)r1
                                  andCircleCenter:(CGPoint)c2
                                           radius:(CGFloat)r2;
+ (nonnull NSArray <NSValue*>*)findTangentsWithCircle:(CGPoint)c
                             radius:(CGFloat)r1
                          fromPoint:(CGPoint)p;
@end
